<select name="SelectRoundNr" id="SelectRoundNr_1">
    <?php
    $sth = $this->model->GetRounds();
    $TabIndex = 0;
    while ($data = $sth->fetchColumn()) {
        $RoundNr = $data['nr'];
        $TabIndex++;
        ?>      
        <option value="RoundNr_<?php echo $RoundNr; ?>">Round <?php echo $RoundNr; ?></option>
        <?php
    }
    ?>    
</select>

<div id="ContainerResult">Select Round nr</div>



</div>